132 lines
4.5 KiB
C++
132 lines
4.5 KiB
C++
// Copyright (c) 2019-2020, The Monero Project
|
|
//
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without modification, are
|
|
// permitted provided that the following conditions are met:
|
|
//
|
|
// 1. Redistributions of source code must retain the above copyright notice, this list of
|
|
// conditions and the following disclaimer.
|
|
//
|
|
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
|
|
// of conditions and the following disclaimer in the documentation and/or other
|
|
// materials provided with the distribution.
|
|
//
|
|
// 3. Neither the name of the copyright holder nor the names of its contributors may be
|
|
// used to endorse or promote products derived from this software without specific
|
|
// prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
|
|
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
|
|
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
#pragma once
|
|
|
|
#include <boost/asio/io_service.hpp>
|
|
#include <boost/uuid/uuid.hpp>
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
#include "byte_slice.h"
|
|
#include "cryptonote_basic/blobdatatype.h"
|
|
#include "cryptonote_protocol/enums.h"
|
|
#include "cryptonote_protocol/fwd.h"
|
|
#include "net/enums.h"
|
|
#include "span.h"
|
|
|
|
namespace epee
|
|
{
|
|
namespace levin
|
|
{
|
|
template<typename> class async_protocol_handler_config;
|
|
}
|
|
}
|
|
|
|
namespace nodetool
|
|
{
|
|
template<typename> struct p2p_connection_context_t;
|
|
}
|
|
|
|
namespace cryptonote
|
|
{
|
|
namespace levin
|
|
{
|
|
namespace detail
|
|
{
|
|
using p2p_context = nodetool::p2p_connection_context_t<cryptonote::cryptonote_connection_context>;
|
|
struct zone; //!< Internal data needed for zone notifications
|
|
} // detail
|
|
|
|
using connections = epee::levin::async_protocol_handler_config<detail::p2p_context>;
|
|
|
|
//! Provides tx notification privacy
|
|
class notify
|
|
{
|
|
std::shared_ptr<detail::zone> zone_;
|
|
i_core_events* core_;
|
|
|
|
public:
|
|
struct status
|
|
{
|
|
bool has_noise;
|
|
bool connections_filled;
|
|
};
|
|
|
|
//! Construct an instance that cannot notify.
|
|
notify() noexcept
|
|
: zone_(nullptr)
|
|
, core_(nullptr)
|
|
{}
|
|
|
|
//! Construct an instance with available notification `zones`.
|
|
explicit notify(boost::asio::io_service& service, std::shared_ptr<connections> p2p, epee::byte_slice noise, epee::net_utils::zone zone, bool pad_txs, i_core_events& core);
|
|
|
|
notify(const notify&) = delete;
|
|
notify(notify&&) = default;
|
|
|
|
~notify() noexcept;
|
|
|
|
notify& operator=(const notify&) = delete;
|
|
notify& operator=(notify&&) = default;
|
|
|
|
//! \return Status information for zone selection.
|
|
status get_status() const noexcept;
|
|
|
|
//! Probe for new outbound connection - skips if not needed.
|
|
void new_out_connection();
|
|
|
|
//! Run the logic for the next epoch immediately. Only use in testing.
|
|
void run_epoch();
|
|
|
|
//! Run the logic for the next stem timeout imemdiately. Only use in testing.
|
|
void run_stems();
|
|
|
|
//! Run the logic for flushing all Dandelion++ fluff queued txs. Only use in testing.
|
|
void run_fluff();
|
|
|
|
/*! Send txs using `cryptonote_protocol_defs.h` payload format wrapped in a
|
|
levin header. The message will be sent in a "discreet" manner if
|
|
enabled - if `!noise.empty()` then the `command`/`payload` will be
|
|
queued to send at the next available noise interval. Otherwise, a
|
|
Dandelion++ fluff algorithm will be used.
|
|
|
|
\note Eventually Dandelion++ stem sending will be used here when
|
|
enabled.
|
|
|
|
\param txs The transactions that need to be serialized and relayed.
|
|
\param source The source of the notification. `is_nil()` indicates this
|
|
node is the source. Dandelion++ will use this to map a source to a
|
|
particular stem.
|
|
|
|
\return True iff the notification is queued for sending. */
|
|
bool send_txs(std::vector<blobdata> txs, const boost::uuids::uuid& source, relay_method tx_relay);
|
|
};
|
|
} // levin
|
|
} // net
|